private Queue createQueue(String name, Queue parent) {
   QueueMetrics metrics = QueueMetrics.forQueue(name, parent, false, conf);
   ActiveUsersManager activeUsersManager = new ActiveUsersManager(metrics);
   Queue queue = mock(Queue.class);
   when(queue.getMetrics()).thenReturn(metrics);
   when(queue.getActiveUsersManager()).thenReturn(activeUsersManager);
   return queue;
 }
  @Test
  public void testMove() {
    final String user = "******";
    Queue parentQueue = createQueue("parent", null);
    Queue oldQueue = createQueue("old", parentQueue);
    Queue newQueue = createQueue("new", parentQueue);
    QueueMetrics parentMetrics = parentQueue.getMetrics();
    QueueMetrics oldMetrics = oldQueue.getMetrics();
    QueueMetrics newMetrics = newQueue.getMetrics();

    ApplicationAttemptId appAttId = createAppAttemptId(0, 0);
    SchedulerApplicationAttempt app =
        new SchedulerApplicationAttempt(
            appAttId, user, oldQueue, oldQueue.getActiveUsersManager(), null);
    oldMetrics.submitApp(user);

    // Resource request
    Resource requestedResource = Resource.newInstance(1536, 2);
    Priority requestedPriority = Priority.newInstance(2);
    ResourceRequest request =
        ResourceRequest.newInstance(requestedPriority, ResourceRequest.ANY, requestedResource, 3);
    app.updateResourceRequests(Arrays.asList(request));

    // Allocated container
    RMContainer container1 = createRMContainer(appAttId, 1, requestedResource);
    app.liveContainers.put(container1.getContainerId(), container1);
    SchedulerNode node = createNode();
    app.appSchedulingInfo.allocate(
        NodeType.OFF_SWITCH, node, requestedPriority, request, container1.getContainer());

    // Reserved container
    Priority prio1 = Priority.newInstance(1);
    Resource reservedResource = Resource.newInstance(2048, 3);
    RMContainer container2 =
        createReservedRMContainer(appAttId, 1, reservedResource, node.getNodeID(), prio1);
    Map<NodeId, RMContainer> reservations = new HashMap<NodeId, RMContainer>();
    reservations.put(node.getNodeID(), container2);
    app.reservedContainers.put(prio1, reservations);
    oldMetrics.reserveResource(user, reservedResource);

    checkQueueMetrics(oldMetrics, 1, 1, 1536, 2, 2048, 3, 3072, 4);
    checkQueueMetrics(newMetrics, 0, 0, 0, 0, 0, 0, 0, 0);
    checkQueueMetrics(parentMetrics, 1, 1, 1536, 2, 2048, 3, 3072, 4);

    app.move(newQueue);

    checkQueueMetrics(oldMetrics, 0, 0, 0, 0, 0, 0, 0, 0);
    checkQueueMetrics(newMetrics, 1, 1, 1536, 2, 2048, 3, 3072, 4);
    checkQueueMetrics(parentMetrics, 1, 1, 1536, 2, 2048, 3, 3072, 4);
  }